Home / 18,501.36-27,762.98-6,822.78

Finding the Fourth Proportional to 18,501.36, 27,762.98 and 6,822.78

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Solution

The fourth proportional to 18,501.36, 27,762.98 and 6,822.78 is: 10,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.36 : 27,762.98 = 6,822.78 : x
  2. Step 2: Convert to fraction form
    18,501.36/27,762.98 = 6,822.78/x
  3. Step 3: Cross multiply
    18,501.36x = 27,762.98 × 6,822.78
  4. Step 4: Simplify right side
    18,501.36x = 189,420,670.57
  5. Step 5: Solve for x
    x = 189,420,670.57/18,501.36
  6. Step 6: Final answer
    x = 10,238.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.